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MCQs

Total Questions : 116 | Page 3 of 12 pages
Question 21. Which of the following component of the light microscope illuminates the specimen by gathering diffuse rays from the light microscope?
  1.    light source
  2.    eyepiece
  3.    condenser lens
  4.    screws
 Discuss Question
Answer: Option C. -> condenser lens
Answer: (c).condenser lens
Question 22. Ocular lens forms a virtual image.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 23. Which of the following magnification of the ocular will occupy maximum retinal surface?
  1.    1X
  2.    5X
  3.    20X
  4.    50X
 Discuss Question
Answer: Option D. -> 50X
Answer: (d).50X
Question 24. 527 nanometers is the wavelength of ______________ light.
  1.    red
  2.    white
  3.    green
  4.    blue
 Discuss Question
Answer: Option C. -> green
Answer: (c).green
Question 25. The resolution attained by a microscope is limited by _____________________
  1.    diffraction
  2.    refraction
  3.    reflection
  4.    retraction
 Discuss Question
Answer: Option A. -> diffraction
Answer: (a).diffraction
Question 26. Isolation of an organelle in bulk quantity can be accomplished by _____________
  1.    spectroscopy
  2.    spectrophotometry
  3.    differential centrifugation
  4.    mass spectroscopy
 Discuss Question
Answer: Option C. -> differential centrifugation
Answer: (c).differential centrifugation
Question 27. The isotonic buffer solution prevents _________
  1.    change in pressure
  2.    change in temperature
  3.    change in pH
  4.    membrane rupture
 Discuss Question
Answer: Option D. -> membrane rupture
Answer: (d).membrane rupture
Question 28. Density gradient centrifugation is a type of isopycnic centrifugation.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 29. Purification of a protein can be measured as an increase in _____________
  1.    temperature
  2.    pH value
  3.    specific activity
  4.    polarity
 Discuss Question
Answer: Option C. -> specific activity
Answer: (c).specific activity
Question 30. Which of the following can be used to study cellular activities?
  1.    Diffraction
  2.    Cell-free systems
  3.    Autoradiography
  4.    Liquid chromatography
 Discuss Question
Answer: Option B. -> Cell-free systems
Answer: (b).Cell-free systems

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